== sanity test 413k: QoS mkdir exclude prefixes ========== 05:39:00 (1713087540)
lmv.lustre-clilmv-ffff88012c298000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88012c298000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88012c298000.qos_exclude_prefixes=_temporary